[INFO] cloning repository https://github.com/ForsakenHarmony/adventofcode_2017
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ForsakenHarmony/adventofcode_2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FForsakenHarmony%2Fadventofcode_2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FForsakenHarmony%2Fadventofcode_2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6c5b678a20360fd8253108630fbbe0133811920
[INFO] testing ForsakenHarmony/adventofcode_2017 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FForsakenHarmony%2Fadventofcode_2017" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ForsakenHarmony/adventofcode_2017 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ForsakenHarmony/adventofcode_2017
[INFO] finished tweaking git repo https://github.com/ForsakenHarmony/adventofcode_2017
[INFO] tweaked toml for git repo https://github.com/ForsakenHarmony/adventofcode_2017 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ForsakenHarmony/adventofcode_2017 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.18
[INFO] [stderr]   Downloaded num_cpus v1.7.0
[INFO] [stderr]   Downloaded regex-syntax v0.4.1
[INFO] [stderr]   Downloaded rayon v0.9.0
[INFO] [stderr]   Downloaded libc v0.2.34
[INFO] [stderr]   Downloaded regex v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 35f21f2fef627c39c82560e3ff7136f9b3f01c5fb7839c959a1a1e896674e3ef
[INFO] running `Command { std: "docker" "start" "-a" "35f21f2fef627c39c82560e3ff7136f9b3f01c5fb7839c959a1a1e896674e3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35f21f2fef627c39c82560e3ff7136f9b3f01c5fb7839c959a1a1e896674e3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f21f2fef627c39c82560e3ff7136f9b3f01c5fb7839c959a1a1e896674e3ef", kill_on_drop: false }`
[INFO] [stdout] 35f21f2fef627c39c82560e3ff7136f9b3f01c5fb7839c959a1a1e896674e3ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 005940bdae10670088fd0d74b8484805245f63cc32303921ab4c5b053cf8b48c
[INFO] running `Command { std: "docker" "start" "-a" "005940bdae10670088fd0d74b8484805245f63cc32303921ab4c5b053cf8b48c", kill_on_drop: false }`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling rayon v0.9.0
[INFO] [stderr]    Compiling regex v0.2.3
[INFO] [stderr]    Compiling adventofcode_2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.26s
[INFO] running `Command { std: "docker" "inspect" "005940bdae10670088fd0d74b8484805245f63cc32303921ab4c5b053cf8b48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005940bdae10670088fd0d74b8484805245f63cc32303921ab4c5b053cf8b48c", kill_on_drop: false }`
[INFO] [stdout] 005940bdae10670088fd0d74b8484805245f63cc32303921ab4c5b053cf8b48c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26a1f23a452081029d65d01036f14fac4942dfc6a1c1739d062160d97ef9264d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "26a1f23a452081029d65d01036f14fac4942dfc6a1c1739d062160d97ef9264d", kill_on_drop: false }`
[INFO] [stderr]    Compiling adventofcode_2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `debug`
[INFO] [stdout]   --> examples/day21_2.rs:34:6
[INFO] [stdout]    |
[INFO] [stdout] 34 |   fn debug(data: &Vec<char>) -> String {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> examples/day20_2.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dist`
[INFO] [stdout]   --> examples/day20_2.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 |   fn dist(&self) -> isize {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/day8_2.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut reg_v = map.entry(reg).or_insert(0);
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `rotate` found for mutable reference `&mut Vec<char>` in the current scope
[INFO] [stdout]   --> examples/day16.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |   state.rotate(len - offset);
[INFO] [stdout]    |         ^^^^^^ method not found in `&mut Vec<char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode_2017`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/day7_2.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut node = Node {
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/day7_2.rs:49:11
[INFO] [stdout]    |
[INFO] [stdout] 49 |       let mut c_iter = children
[INFO] [stdout]    |           ----^^^^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "26a1f23a452081029d65d01036f14fac4942dfc6a1c1739d062160d97ef9264d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a1f23a452081029d65d01036f14fac4942dfc6a1c1739d062160d97ef9264d", kill_on_drop: false }`
[INFO] [stdout] 26a1f23a452081029d65d01036f14fac4942dfc6a1c1739d062160d97ef9264d